OpenTechnical

OT-2026-000023975

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000023975) never changes.

Identity and time

Publication numberOT-2026-000023975 · never reused
Internal UUID01a0ae70-aed7-7962-b6bd-bf422495d4fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023975
StatusPUBLIC

Content hashes

Canonical text0316b30f3f9e8ed565bde88e9e9ca9624e4e0aeded3c6dbe26ad2f75252cbc35
Markdown1225fad302fb6354f106cfc748e382440ce70be50c7f9e063b8234a2e36610bb
PDF
Publication pagebb554854c0576dd7daf76c2a12d2aaba5bcbfd63b6e01a482acb121dd7e6c6b5
Manifestf1ff476a577e7961327e1686230435ac05422b6d71255094ccaa301ae91ddc05

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature6sDvrZCYCUfulp8GKiVI6uEDaMK5WSypkjdsx8ch28zd+36F3efUqANB4joWw9DQ9QsUU/vMpID+Tsos9sAqBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:50:44.207249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023975
observed bb554854c0576dd7daf76c2a12d2aaba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:44.186014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023975/manifest.json
observed f1ff476a577e7961327e1686230435ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:44.163116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023975/publication.md
observed 1225fad302fb6354f106cfc748e38244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:44.141718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023975/publication.txt
observed 0316b30f3f9e8ed565bde88e9e9ca962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.